Root Vegetable & Chestnut Gratin
Roasted chestnuts add seasonal flair to this traditional 
gratin with celery root and carrots.
Roasted chestnuts add seasonal flair to this traditional 
gratin with celery root and carrots.
These aren't your grandmother's Brussels sprouts, considering the subtly mild zip you get from the apple cider vinegar and the nuttiness from the chestnuts.